/*
 * This file Copyright (c) 2015. Walle.
 * (http://www.wallellen.com). All rights reserved.
 *
 *
 * This file is dual-licensed under both the
 * Walle Agreement (WA) and the GNU General Public License.
 * You may elect to use one or the other of these licenses.
 *
 * This file is distributed in the hope that it will be
 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
 * implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
 * Redistribution, except as permitted by whichever of the GPL
 * or WA you select, is prohibited.
 *
 * 1. For the GPL license (GPL), you can redistribute and/or
 * modify this file under the terms of the GNU General
 * Public License, Version 3, as published by the Free Software
 * Foundation.  You should have received a copy of the GNU
 * General Public License, Version 3 along with this program;
 * if not, write to the Free Software Foundation, Inc., 51
 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * 2. For the Walle Agreement (WA), this file
 * and the accompanying materials are made available under the
 * terms of the WA which accompanies this distribution, and
 * is available at http://www.wallellen.com/agreement.html
 *
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
 */

package com.wallellen.web.task.impl;

import com.wallellen.web.constant.Constant;
import com.wallellen.web.task.ServletInitJobInterface;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.servlet.ServletContext;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

/**
 * Created by walle on 12/9/15.
 */
public class ServerLicenceInit
        implements ServletInitJobInterface {
    private static final Logger log = LoggerFactory.getLogger(ServerLicenceInit.class);

    public void execute(ServletContext context) {
        try {
            Constant.LICENCE = read(new File(context.getRealPath("") + File.separator + "licence.data")).replace("\n", "");
        } catch (Exception e) {
            log.error("\t=======================================");
            log.error("\tplease contact to wallellen@hotmail.com");
            log.error("\t=======================================");
            Constant.LICENCE = null;
        }
    }

    public String read(File file)
            throws Exception {
        StringBuffer lines = new StringBuffer();
        InputStream inputStream = null;
        BufferedReader reader = null;
        InputStreamReader inputStreamReader = null;
        try {
            inputStream = new FileInputStream(file);
            inputStreamReader = new InputStreamReader(inputStream);
            reader = new BufferedReader(inputStreamReader);
            String line = null;
            while ((line = reader.readLine()) != null)
                lines.append(line).append("\n");
        } catch (IOException e) {
            log.info(e.getMessage(), e);
        } finally {
            try {
                inputStreamReader.close();
                inputStream.close();
                reader.close();
            } catch (IOException e) {
                log.info(e.getMessage(), e);
            }
        }
        return lines.toString();
    }
}
